4.2g of cerium reacted with oxygen to form 5.16g of an oxide of cerium. Find the simplest formula of this oxide*
ASAP plz

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never

Heat is the total potential energy of a substance that can be transferred. true false

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of